What is the severity of MFSA2025-24?

The severity of MFSA2025-24 is classified as critical, indicating a significant risk to systems using the affected software.

How do I fix MFSA2025-24?

To fix MFSA2025-24, upgrade your Thunderbird ESR to version 128.9 or later.

What does MFSA2025-24 address?

MFSA2025-24 addresses multiple security vulnerabilities that could potentially be exploited to compromise the confidentiality and integrity of data.

Which versions of Thunderbird ESR are impacted by MFSA2025-24?

MFSA2025-24 impacts all versions of Thunderbird ESR prior to 128.9.

Is my email data safe from MFSA2025-24 if I have updated Thunderbird ESR?

Yes, if you have updated to Thunderbird ESR version 128.9 or later, your email data is protected against the vulnerabilities described in MFSA2025-24.

Vulnerability/
MFSA2025-24

high

1/4/2025

MFSA2025-24: Security Vulnerabilities fixed in Thunderbird ESR 128.9

First published: Tue Apr 01 2025(Updated: )

Security Vulnerabilities fixed in Thunderbird ESR 128.9

Affected Software	Affected Version	How to fix
Mozilla Thunderbird	<128.9	128.9

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Reference Links

https://www.mozilla.org/en-US/security/advisories/mfsa2025-24/ (Advisory)

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

What is the severity of MFSA2025-24?
The severity of MFSA2025-24 is classified as critical, indicating a significant risk to systems using the affected software.
How do I fix MFSA2025-24?
To fix MFSA2025-24, upgrade your Thunderbird ESR to version 128.9 or later.
What does MFSA2025-24 address?
MFSA2025-24 addresses multiple security vulnerabilities that could potentially be exploited to compromise the confidentiality and integrity of data.
Which versions of Thunderbird ESR are impacted by MFSA2025-24?
MFSA2025-24 impacts all versions of Thunderbird ESR prior to 128.9.
Is my email data safe from MFSA2025-24 if I have updated Thunderbird ESR?
Yes, if you have updated to Thunderbird ESR version 128.9 or later, your email data is protected against the vulnerabilities described in MFSA2025-24.

collector/mozilla-advisory
source/Mozilla
agent/software-canonical-lookup
agent/title
agent/last-modified-date
agent/references
agent/tags
agent/severity
agent/softwarecombine
agent/description
agent/type
agent/first-publish-date
agent/source
agent/event
vendor/mozilla
canonical/mozilla thunderbird

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Frequently Asked Questions

What is the severity of MFSA2025-24?
The severity of MFSA2025-24 is classified as critical, indicating a significant risk to systems using the affected software.
How do I fix MFSA2025-24?
To fix MFSA2025-24, upgrade your Thunderbird ESR to version 128.9 or later.
What does MFSA2025-24 address?
MFSA2025-24 addresses multiple security vulnerabilities that could potentially be exploited to compromise the confidentiality and integrity of data.
Which versions of Thunderbird ESR are impacted by MFSA2025-24?
MFSA2025-24 impacts all versions of Thunderbird ESR prior to 128.9.
Is my email data safe from MFSA2025-24 if I have updated Thunderbird ESR?
Yes, if you have updated to Thunderbird ESR version 128.9 or later, your email data is protected against the vulnerabilities described in MFSA2025-24.